Ramírez-Galeano, C.C. et al. 2026. First record of Plecturocebus ornatus: Buffer zone of the Sumapaz National Natural Park, El Castillo, Meta, Colombia: Nuevo registro de Plecturocebus ornatus. Therya Notes. 7, 3 (Oct. 2026). DOI:https://doi.org/10.12933/therya_notes-25-256.